baber/WOPTO huggingface dataset:
Patent GB-838504-A (GB)
Title: Phonograph pickup
IPC: H04R23/00
Filed: 1956-11-23
Abstract: 838,504. Gramophone pick-ups. RADIO CORPORATION OF AMERICA. Nov. 23, 1956 [Dec. 20, 1955], No. 35945/56. Class 40 (4). In a gramophone pick-up utilizing the Hall effect, a semi-conductor 10 such as a germanium or silicon wafer has its major surfaces positioned at right-angles to a magnetic flux which is varied by stylus movement; the edges of the semi-conductor carrying bias and output terminals 12, 14 and 16, 18. As shown, the stylus 34 is carried on a stylus arm 32 which is centrally positioned in the air gap of a magnetic structure comprising a permanent magnet 30 and laminated polepieces 26, 28. When the stylus arm is deflected, the flux is charged in a path comprising a support 36 for the stylus arm and ferromagnetic blocks 44, 46 between which the semi-conductor is sandwiched, and a corresponding output voltage is obtained at terminals 16, 18. The semi-conductor is insulated from the blocks by thin sheets of insulation material 40, 42, and the complete assembly is mounted on an insulating base 24.
Patent GB-768860-A (GB)
Title: Improvements relating to cleaners for conveyor belts
Inventor: PENN ARTHUR
IPC: B65G45/10
Filed: 1954-12-14
Abstract: 768,860. Endless belt conveyers. SIMONCARVES, Ltd. Dec. 20, 1955 [Dec. 14, 1954], No. 36113/54. Class 78 (1). Dust is removed from the return run 2 of a conveyer belt used for conveying coal or other dry materials by electrostatic attraction due to a static electric charge which is induced on a roller 1 made of dielectric material, such as glass or polymethyl methacrylate, by rotating the roller at high speed in contact with a brush 3 having nylon bristles 4.
Patent GB-1444273-A (GB)
Title: Optical image relay
IPC: H04N5/74
Filed: 1973-07-30
Abstract: 1444273 Modulating light PHILIPS ELECTRONIC & ASSOCIATED INDUSTRIES Ltd 30 July 1973 [2 Aug 1972] 36138/73 Heading H4F In an optical image converting relay of the type comprising a variably birefringent electrooptic plate and a photoconductive layer disposed between electrodes, e.g. as in Specification 1,387,712, and wherein a light source is provided to project an image through one electrode on to the photoconductive layer and in use the plate is maintained at or near its Curie temperature, the Curie temperature and the temperature at which the photoconductor exhibits maximum sensitivity to the image light are arranged to be substantially equal. In the preferred embodiment, the electro-optic plate is of KDP and examples are given of four different extents of deuteration thereof give Curie temperatures matched for different photoconductor materials (PbS, ZnS, PbTe, Te, PbSe) and illuminating wavelengths. The latter may be infra-red, visible or ultra-violet.
Patent GB-344417-A (GB)
Title: Improvements in or relating to processes for preparing hides and skins for vegetabletanning
IPC: C14C1/08
Filed: 1929-11-27
Abstract: 344,417. Preparing hides for tanning. PEACE, G., c/o National Provincial Bank, Faversham, Kent. Nov. 27, 1929, No. 36366. [Class 76.] To prepare them for rapid vegetable tanning hides and skins after a preliminary preparation of the ordinary kind are treated with a single solution in one operation to adjust them throughout to a pH value of between about 3À5 and 5À0. Hides which still contain l.me may be delimed at the same time as the adjustment of their PH value is effected. Suitable solutions for the treatment are solutions of the salts of weak acids to which mineral acids have been added or solutions of weak acids and suitable salts, e.g. a solution of acetic acid and sodium acetate, or in some cases exhausted tan liquors to which an acid is added in the necessary quantity. The acic.s to be employed are preferably those which give oluble calcium salts. A rapid tanning of hides so prepared may be effected by treatment in baths of progressively increasing strength prepared from Babul bark, Myrobalans, and Wattle bark. Specification 307,987, [Class 76, Leather], is referred to.
Patent GB-1469827-A (GB)
Title: Sheet transport system
IPC: B65H5/22
Filed: 1974-08-19
Abstract: 1469827 Sheet conveyers XEROX CORP 19 Aug 1974 [24 Aug 1973] 36389/74 Heading B8R A sheet conveyer comprises a plurality of elongated tubular chambers 12, Figs. 1 and 3, connected by flexible web portions 16 to form an endless belt, one end of each chamber being connectible to a source of suction or air pressure, and each chamber having ports 18. The conveyer may be used to transport sheets through the transfer reaction of a xerographic copying- machine. At the exit end of the station, the sheet is stripped from the drum 35 by suction, and then stripped from the belt by air pressure. The ends of the chambers pass along channels in manifolds 22, 44, so that vacuum or pressure is applied at required parts of the belt path. The belt is driven by sprockets 30, 40. The chambers move through foam rubber sealing material 26 in the manifold channels to minimise air leakage, or are provided with overlapping flanges at their supply ends. Each chamber may be formed with a tongue projection and a groove projection, so that it forms a separate replaceable link in the belt. The part of the belt between the entrance and exit of the transfer station is held away from the drum by a guide plate 42.
Patent GB-400021-A (GB)
Title: Improvements in or relating to winding frames more particularly for artificial textile threads
IPC: B65H54/32
Filed: 1932-12-23
Abstract: 400,021. Winding conical-ended bobbins. MONCAL VI, P., Pavia, Italy.- (Assignee of Soc. Anon, Ing. Moncalvi & Co. ; Pavia, Italy.) Dec. 23, 1932, No. 36465. Convention date, Dec. 23, 1931. [Class 120 (ii).] In winding bobbins, particularly of artificial threads, with conical ends the traverse is reduced in accordance with the number of layers and with the thickness of the threads. As shown, a cam 1, driven from the bobbin-driving shafts a, a<1> of a machine for producing artificial silk, oscillates a rod 2 which operates a rod 7 connected to the traverse guides through a slotted lever 4, the extent of the movement of the rod 4 being varied as required by adjusting the pivot 5 to vary the effective distances of the pivots 3, 3<1>, 5 by means operated from the pump shafts. The rod 7 oscillates a shaft d which carries pinions geared with racks connected to the thread guides, and the parts are arranged so that the angle of rotation of the shaft d is greater than 90‹ and may be as great as or greater than 360‹.
Patent GB-314042-A (GB)
IPC: H04Q3/00
Filed: 1928-12-10
Abstract: 314,042. Siemens & Halske Akt.- Ges. June 23, 1928, [Convention date]. Drawings to Specification. Automatic exchange systems. - The system described is identical with that described in Specification 314,041. The claims relate to the use of the hundreds register of the register-controller to count off, in the case of certain calls, ten additional reverting impulses from a 200 point power-driven connector after the units register has been counted out. Their operation is dependent on a relay (N) in the register-controller, the energization of which is determined by the level of a first group selector over which the registercontroller is seized, the selector belonging to an exchange in which the switches are controlled by forwardly directed impulses.
Patent GB-955507-A (GB)
Title: Moulding apparatus
IPC: B29C43/08
Filed: 1960-10-25
Abstract: 955,507. Rotary-table moulding machines. DUNLOP RUBBER CO. Ltd. Oct. 25, 1960 [Nov. 2, 1959], No. 36527/60. Heading B5A. In apparatus of the type comprising a series of pairs of co-operating dies 1, 2 disposed on a rotatable wheel 3 and arranged to close successively mouldable strip material fed therebetween to blank out charges from the strip and thereafter to open again to permit the discharge of the moulded articles, some pairs of dies have shallow moulding cavities and others deep ones and means are provided for feeding two strips 7, 8 towards the zone of closure of the dies, one strip 7 being fed between all the pairs of dies 1, 2, and to ensure that both strips are nipped between dies with deep cavities. Plastic material in the form of the strip 7 is guided from rolls 6 by rollers 9 and is nipped by the dies 1, 2 having shallow cavities so that a lateral edge is notched. Cam operated guide means 10 moves strip 8 between the dies having deep cavities, which dies then nip strips 7,8 centrally. The dies partially open under the action of cams, Fig. 4 (not shown), to assist in freeing the strips before moulding. Specification 941,613 is referred to.
Patent GB-342434-A (GB)
Title: Heat controlling means for charge forming devices for internal combustion engines
IPC: F02M21/00
Filed: 1929-11-28
Abstract: 342,434. Heating charge. HEGINBOTTOM, W. G., 1910, St. John Street, Flint, Michigan, U.S.A. Nov. 28, 1929, No. 36547. [Class 7 (iii).] In a means for heating the charge of an internal combustion engine wherein the exhaust gases are used and a throttle valve for controlling the flow of gases to the heater and a throttle valve for controlling the flow of combustible mixture are connected, means are provided to adjust the relative movement of the two valves. The exhaust gases are led from the exhaust manifold 2 to the heater 9 surrounding the charge forming device 4 passing a volume control throttle 12. The throttle 15 controls the passage of the gases through the heater and is connected by a rod 41 and arm 42 to the cranked arm 45 of the throttle 23 controlling the flow of explosive charge. Loosely mounted on the spindle 24 of the throttle 23 is a cam disc 27 formed with a cam groove 37 in which is guided a roller 38 attached to the end of the rod 41. Upon opening the throttle 23 the throttle 15 remains on its seat whilst the roller 38 travels along the vertical part of the groove, but when it reaches the horizontal part, the throttle 15 is opening whilst the throttle 23 is opening. The cam disc is connected by the rod 28 to a lever 30 on the dashboard and is also connected to the throttle 12. The movement of the lever 30 controls the area of flow to the heater and also adjusts the relative movement between the throttles 15, 23. In modifications the throttle 12 is situated in the nipple 22 of the exhaust outlet of the heater or in the nipple 20, whilst the connection between the throttle 12 may be adjustably made to the arm 24 or the lever 41. The air inlet is arranged around the exhaust pipe at 7 and connected by the tube 6 to the charge forming device. A sleeve 8 is arranged to control the admission of extra air and thus control the inlet air temperature, whilst a throttle 5 controls the volume and is connected to the dashboard. Fig. 12 shows an arrangement wherein two pipes 84 and 92 form the inlet and return from the heater to the exhaust pipe, the throttle 87 controlling the flow through the heater and the throttle 99 forming a volume control. Further modifications show the throttle 99 situated in the nipples 83, 85, or 91, and the connection made to any of a series of holes in the cam disc.
Patent GB-1159188-A (GB)
Title: Novel Cyclohexane Derivatives
IPC: C11B9/00
Filed: 1967-08-09
Abstract: 1,159,188. Cyclohexane derivatives. INTERNATIONAL FLAVORS & FRAGRANCES Inc. 9 Aug., 1967 [22 Aug., 1966], No. 36623/67. Heading C2C. The invention comprises compounds of the formula in which R denotes a hydrogen atom or an acyl group of 1-4 carbon atoms, and their preparation by treating dihydromyrcene (3,7- dimethyl-1,6-octadiene) with (a) formic acid, or (b) an aliphatic acid containing up to 4 carbon atoms and sulphuric acid, phosphoric acid, polyphosphoric acid, a Lewis acid or a sulphonic acid resin, optionally in the presence of water. In a typical example, dihydromyrcene and formic acid yield the formate of the formula when refluxed with phosphoric acid. The formate may be hydrolysed to yield the corresponding alcohol of the formula  and the alcohol yields the ketone of the formula on oxidation, e.g. with chromic acid. All the products are useful in perfumery.
Patent GB-1004087-A (GB)
Title: Improvements in or relating to resilient surface coverings
IPC: D06N7/00
Filed: 1961-10-12
Abstract: A method of producing a resilient wear-resistant surface covering comprises the steps of applying to a carrier material a first coating layer so as to produce a coated carrier having an air permeance greater than 0,3 cubic feet per hour per square foot under a static pressure of 8 inches of water at a temperature of about 70  DEG F. and at a relative humidity of about 50% and subsequently applying to the coated carrier a second coating layer comprising a composition including a thermoplastic resin, under the influence of heat and pressure to effect fusion and consolidation between the second coating layer and the coated carrier.  The first coating layer may be a thermoplastic resin containing composition which may be an organosol, plastisol or plastigel.  The second coating layer may include a multiplicity of chips or granules of thermoplastic resin composition, e.g. vinyl chips.  The first coating layer may contain an organic film former activatable at a given temperature which is reached when the first coating layer is applied to the carrier material, and an organic film former activatable at a higher temperature reached during fusion and consolidation between the second coating and the coated carrier.  The first coating may comprise, on a dry weight basis, 50-60 parts of an organic film former activatable at the given temperature, 50-60 parts of an organic film former activatable at the higher temperature, and from 30-90 parts of inorganic filler and pigment.  The first coating layer may contain a blowing agent and the coated carrier may be formed by applying the first coating layer to the carrier at a temperature sufficient to decompose the blowing agent.  The first coating layer may comprise, on a dry weight basis, 30-90 parts of inorganic filler and pigment, 10-70 parts of an organic film former and 1/2 -10 parts blowing agent.  The thermoplastic resin may be polyvinyl chloride, a copolymer of vinyl chloride and vinyl acetate, or vinyl chloride and vinylidene chloride, or vinyl acetate-acrylic copolymer.  The carrier material may be asphalt-saturated felt, duck, burlap, or beater saturated asbestos sheets or a relatively impervious film which after coating may be made porous by mechanical methods such as needle punching.  The first coating may be applied by forward or reverse roll, spraying, or by knife or doctor blade coaters, and the chips of the second coating by rotary brush.
Patent GB-978284-A (GB)
Title: Polyalkyl and/or polyaryl siloxanes
Inventor: ROSSMY GERD
IPC: C08G77/46
Filed: 1961-10-12
Abstract: A composition comprising a mixture of compounds of the general formula (A) <FORM:0978284/C3/1> wherein each R11 is a lower alkyl, phenyl, vinyl or allyl radical, each Z1 is a radical derived from a compound of the generic formula Z1OH, the compound being selected from lower aliphatic monohydric alcohols and addition compounds thereof with ethylene oxide and/or propylene oxide, a1 has a value of from 0.5 to 100 and b1 has a value of from 2 to 50, at least one Z1 radical per molecule being a R1O(CnH2nO)m radical in which R1 is a lower alkyl, phenyl or alkylphenyl radical, n is 2 or 3 and m is a number, can be made by reacting organosilicon polymers containing halogen and silyl sulphone groups, as described in Specification 931,939, with the desired organic hydroxyl compound, preferably with subsequent neutralisation of the liberated acid.  In examples an organo-silicon polymer containing chlorine and sulphate groups was reacted with (1, 2, 5 to 9, 12, 13 and 14) a polyoxyalkylene monobutylether, (3, 4, 11) the corresponding methyl ether, and (10) the corresponding phenylether.  Uses:  as intermediates in the production of resin coatings and elastomers; as foam stabilizers in polyurethane foams; brake and hydraulic fluids; heat-transfer media; paints and varnishes; and hydrophobic agents for fabrics, cements and ceramics.
Patent GB-522834-A (GB)
Title: Process for the manufacture of concentrated aqueous solutions of medicinal substances difficultly soluble or insoluble in water
IPC: A61K38/22
Filed: 1938-12-16
Abstract: 522,834. Hormone solutions. HOFFMANNLA ROCHE & CO., AKT.-GES., F. Dec. 16, 1938, No. 36727. Convention date, Jan. 10. Samples furnished. [Class 81 (i)] Aqueous solutions of hormones difficultly soluble or insoluble in water are prepared by increasing the solubility of these substances by means of 3.4-dimethoxybenzyl alcohol (veratryl alcohol). Examples describe the preparation of solutions of oestrin. The schedule to examples furnished under Sect. 2 (5) describes the preparation of solutions in veratryl alcohol and water of testosterone and lipoid-soluble extract of supra-renal cortex. The Specification as open to inspection under Sect. 91 refers to the use of veratryl alcohol for making solutions of medicinal substances in general and in particular of quinine and its hydrochloride, alkyl-isopropyl barbituric acid, and p-amino-benzene sulphanide. This subjectmatter does not appear in the Specification as accepted.
Patent GB-845708-A (GB)
Title: Improvements in air intake systems of internal combustion engines
IPC: F02M35/16
Filed: 1956-12-04
Abstract: 845,708. Motor vehicles. MASSEY-FERGUSON Inc. Dec. 4, 1956 [Dec. 12, 1955], No. 36978/56. Class 79(3). An air intake system of an I.C. engine 6 housed in a casing 11 with an openable bonnet 13, comprises an intake conduit 42 in the bonnet which, when closed, forms with a plate 37 and wall 38 of an air cleaner 24, an intake chamber 41; the funnel shaped mouth 30 of the cleaner opening into chamber 41, is covered by a removable grille 46 for removing coarse particles from the air, smaller particles being removed by oil and filters in cleaner 24. pleah air passes via outlet 31 and conduit 32 to the carburettor 9 and intake manifold 8. The cleaner 24 is suspended beneath the bonnet 13 by a flange 26 fixed to a plate 27 supported by a radiator 18 and front grille 12. The combustion air is kept cool by the flow of air drawn through the radiator by the fan 19 and a high pressure is created in the manifold 8 by the inertia of air in the long conduit 32.
Patent GB-966513-A (GB)
Title: Improvements in or relating to methods of and apparatus for determining the number of articles within containers
Inventor: ROLFE GEORGE JOSEPH
IPC: G06M1/10
Filed: 1959-10-31
Abstract: 966,513. Detecting and counting conveyed articles. ELECTRIC & MUSICAL INDUSTRIES Ltd. Oct. 27, 1960 [Oct. 31, 1959], No. 37030/59. Drawings to Specification. Heading G1N. Articles in a container, or ferromagnetic tags on them, are arranged to produce electrical impulses when the container is moved past an electrical detecting head, the pulses being counted to indicate the number of articles in a container. The movement may be by means of a conveyer carrying the packages or by a lead screw carrying the detector head. The head may be similar to that employed in tape recording apparatus. The signals may be used to operate an alarm in response to a container carrying the wrong number of articles or may operate a deflector mechanism.
Patent GB-941560-A (GB)
Title: Benzamides
IPC: C07C233/00
Filed: 1960-10-28
Abstract: The invention comprises compounds of general formula; <FORM:0941560/C2/1> wherein R is a hydrocarbon radical containing 3 or 4 carbon atoms, R1 is a hydrogen atom, a lower (1-7C) alkyl group or a b -hydroxyethyl group, each Y radical is a chlorine or bromine atom, and X is an amino, lower alkylamino or di(lower alkyl)amino radical; and their preparation by reaction of the corresponding benzoic acid or a reactive derivative thereof with an amine of formula R-NH-R1, an optional first step comprising the preparation of 3,4,5-trisubstituted benzoyl chloride from the acid by reaction with a chlorinating agent.  Methyl 4-amino-3,5-dichlorobenzoate is prepared from the acid chloride by reaction with methanol and yields the 4-dimethylamino- and 4-diethylamino-compounds on reaction with corresponding trialkylphosphates; hydrolysis yields the 4-substituted amino-3,5-dichlorobenzoic acids.  Methyl 4-butylamino-benzoate is made by esterifying the acid and yields methyl 4-butylamino-3,5-dichlorobenzoate on reaction with sulphuryl chloride; hydrolysis yields the acid which gives a mixed anhydride with ethyl chlorocarbonate.
Patent GB-1017782-A (GB)
Title: Process for the manufacture of arsenic
IPC: C30B25/02
Filed: 1962-10-02
Abstract: <PICT:1017782/C6-C7/1> Arsenic is produced by reducing a suitable arsenic compound with hydrogen in an inverted flame (this is, a flame produced by burning an oxidizing agent in an atmosphere of a reducing agent) and allowing the gaseous stream issuing from the flame to impinge on a separation surface maintained at 350-450  DEG C.  As shown, AsCl3 is contained within a saturator 1 headed by a steam jacket 6.  Chlorine or oxygen passes in at 8 and out through a nozzle 2 where it burns with hydrogen fed in at 9.  The combustion tube surrounding the nozzle is heated by an electric heating coil 10 to prevent condensation therein and the arsenic is condensed on the front surface 3 of a hollow cylinder cooled by the introduction of air, precooled to -20  DEG C., at 15.  The cylinder is drawn upwards as the arsenic accumulates and waste gases are withdrawn at 16.  The surface 3 may be of mono-cystalline arsenic to promote condensation in this form. Other arsenic compounds which may be used are arsenic trioxide, cacodyl oxide, cacodyl chloride or arsine.
Patent GB-517058-A (GB)
Title: Improvements in or relating to sealing means for rotary shafts
IPC: F16J15/34
Filed: 1938-12-23
Abstract: 517,058. Sealing means for rotary shafts. CHERRY-BURRELL CORPORATION. Dec. 23, 1938, No. 37517. Convention date, Jan. 20. [Class 122 (v)] The sealing means for a rotary shaft 14, Fig. 6, passing through a casing 27, comprises an imperforate elastic sleeve 35 and at least one sealing ring 36, which surround the shaft and are loose in the sealing chamber formed by the opposing faces of the casing wall and the collar 37 on the shaft. On assembly the elastic sleeve and'the sealing ring are compressed between the collar 37 and the spigot 38 on the casing cover to form the seal. In a modification the sleeve and sealing ring may be formed as an integral body, the flexible elastic portion 40, Fig. 7, having sealing portions 41 of anti-friction material suitably attached.
Patent GB-306022-A (GB)
Title: Improvements in and relating to paper making machines
IPC: D21G9/00
Filed: 1928-12-19
Abstract: 306,022. Papyrus Akt.-Ges., and B³chner, C. Feb. 14, 1928, [Convention date]. Pulp, regulating flow and consistency of.-Advantage is taken of the fact that the water runs away from coarse pulp faster than it does from finer pulp to control the degree of grinding of the pulp fed to the paper machine. The water running through the wire cloth to troughs f is collected in a box a having a float b, baffles c, d, and an adjustable, outflow e. The rise and fall of the float are used to operate the adjustment of the grinding mill supplying pulp to the machine. where a conical grinder is used, electric contacts on the float may be used to cause an electric regulating motor to tighten up or loosen the spindle of the conical grinder as required.